[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"howto:ppsx:mac:en":3},{"resolvedFromAlias":4,"canonicalExt":5,"ext":5,"name":6,"category":7,"categoryName":8,"updatedAt":9,"os":10,"osLabel":11,"quickSolution":12,"stepByStep":13,"recommendedSoftware":16,"alternativeMethods":17,"commonIssues":18,"securityNote":37,"extensionPath":38,"extensionLabel":39,"breadcrumbs":40,"metaDescription":50},false,"ppsx","PowerPoint Show (Office Open XML Slideshow)","documents","Documents","2026-06-12T08:09:42.653Z","mac","Mac","To open .PPSX files on Mac, open the .ppsx file with Microsoft PowerPoint for Mac; it should start in Slide Show mode.",[14,15],"Open the .ppsx file with Microsoft PowerPoint for Mac; it should start in Slide Show mode.","If you want to edit, open it from inside PowerPoint (File > Open) so you can switch out of Slide Show view.",[],[],[19,25,31],{"title":20,"description":21,"steps":22},"It opens as a slide show and I can’t edit",".ppsx is meant for playback, so PowerPoint opens it directly in Slide Show mode rather than the editor.",[23,24],"Open Microsoft PowerPoint first, then use File > Open to open the .ppsx.","Exit Slide Show view to return to the normal editing interface; if needed, save a copy in an editing-focused format (such as .pptx) for future changes.",{"title":26,"description":27,"steps":28},"The file doesn’t open because the app isn’t installed",".ppsx is a PowerPoint-specific OOXML slideshow; without Microsoft PowerPoint (or an environment that supports this OOXML variant), opening may fail.",[29,30],"Install Microsoft PowerPoint or open the file on a machine that has PowerPoint available.","If you must share with someone without PowerPoint, open it in PowerPoint and export/share in a format they can view.",{"title":32,"description":33,"steps":34},"A website/upload rejects the file type","Some systems validate by MIME type or an allow-list of extensions; .ppsx may be blocked even though it is a standard OOXML media type.",[35,36],"If there is a file-type setting, choose the PowerPoint slideshow type or allow the MIME type application/vnd.openxmlformats-officedocument.presentationml.slideshow.","As a workaround for upload systems that only allow .pptx, open in PowerPoint and save a copy in a permitted format.",".ppsx is designed to auto-start as a slide show in PowerPoint, so content begins running immediately on open; treat unexpected .ppsx files as higher risk than a file that opens in an editor first.","/file-extension/ppsx",".PPSX",[41,44,47],{"label":42,"to":43},"Home","/",{"label":45,"to":46},"How To","/file-extension",{"label":48,"to":49},"Open .PPSX on Mac","/how-to/open-ppsx-on-mac","Learn how to open .PPSX files on Mac with step-by-step instructions, recommended software, and troubleshooting tips."]